466 citations · 867 across the 22 of their papers we have counts for
22 papers
Loss-aware pulse sequence optimization for generating photonic Fock states
Benjamin Stodd, Priyanshu Tiwari, René Sondenheimer +2
We investigate the preparation of frequency-tunable photonic Fock states in a hybrid cavity system consisting of a nonlinear medium and a two-level system. Employing a gradient-bas…
Generation of Tunable Entanglement from Thin-Film Lithium Niobate
Saniya Shinde, Maximilian A. Weissflog, Shaun Lung +7
Entangled photon pairs play a major role in various modern technologies such as quantum imaging, communication, and computing. Conventional photon-pair sources are often based on s…
Second-harmonic generation for enhancing the performance of diffractive neural networks
Marie Braasch, Anna Kartashova, Elena Goi +3
Diffractive neural networks (DNNs) are an emerging approach for the realization of photonic artificial intelligence, especially due to their suitability for machine-vision applicat…
Toward Spectral Engineering of Squeezed Light in High-Gain PDC
Jatin Kumar, Aleksa Krstić, Sina Saravi +1
We investigated the spectral properties of squeezed light generated via parametric down-conversion in the high-gain regime, considering both unapodized and apodized dispersion-engi…
Enhanced photon-pair generation from a van der Waals metasurface
Tongmiao Fan, Yilin Tang, Shaun Lung +11
Quantum photon pairs play a pivotal role in many quantum applications. Metasurfaces, two-dimensional arrays of nanostructures, have been studied intensively to enhance and control…
Enhancing entangled two-photon absorption of Nile Red via temperature-controlled SPDC
Aleksa Krstić, Tobias Bernd Gäbler, Nitish Jain +6
Entangled two-photon absorption can enable a linear scaling of fluorescence emission with the excitation power. In comparison to classical two-photon absorption with a quadratic sc…
A hybrid source of quantum light for generation of frequency tunable Fock states
Aleksa Krstić, Priyanshu Tiwari, Florian Höhe +4
We propose a scheme for quantum-light generation in a nonlinear cavity hybridized with a 2-level system and theoretically show that, when excited by a series of controlled pump pul…
Directionally Tunable Co- and Counter-Propagating Photon Pairs from a Nonlinear Metasurface
Maximilian A. Weissflog, Jinyong Ma, Jihua Zhang +6
Nonlinear metasurfaces have recently been established as a new platform for generating photon pairs via spontaneous parametric down-conversion. While for classical harmonic generat…
Entangled Photon-pair Generation in Nonlinear Thin-films
Elkin A. Santos, Maximilian A. Weissflog, Thomas Pertsch +2
We develop a fully vectorial and non-paraxial formalism to describe spontaneous parametric down-conversion in nonlinear thin films. The formalism is capable of treating slabs with…
A Tunable Transition Metal Dichalcogenide Entangled Photon-Pair Source
Maximilian A. Weissflog, Anna Fedotova, Yilin Tang +16
Entangled photon-pair sources are at the core of quantum applications like quantum key distribution, sensing, and imaging. Operation in space-limited and adverse environments such…
Experimental analysis on image resolution of quantum imaging with undetected light through position correlations
Marta Gilaberte Basset, René Sondenheimer, Jorge Fuenzalida +7
Image resolution of quantum imaging with undetected photons is governed by the spatial correlations existing between the photons of a photon pair that has been generated in a nonli…
Non-perturbative theory of spontaneous parametric down-conversion in open and dispersive optical systems
Aleksa Krstić, Frank Setzpfandt, Sina Saravi
We develop a non-perturbative formulation based on the Green-function quantization method, that can describe spontaneous parametric down-conversion in the high-gain regime in nonli…
Nonlinear Nanoresonators for Bell State Generation
Maximilian A. Weissflog, Romain Dezert, Vincent Vinel +6
Entangled photon states are a fundamental resource for optical quantum technologies and investigating the fundamental predictions of quantum mechanics. Up to now such states are ma…
Pinhole quantum ghost imaging
Andres Vega, Sina Saravi, Thomas Pertsch +1
We propose a quantum ghost imaging scheme based on biphotons, that, by using a collimated pump beam of the right size for biphoton generation, obviates the need for lenses to achie…
Subdiffraction Quantum Imaging with Undetected Photons
Elkin A. Santos, Thomas Pertsch, Frank Setzpfandt +1
We propose a nonlinear imaging scheme with undetected photons that overcomes the diffraction limit by transferring near-field information at one wavelength to far-field information…
Nonlinear quantum spectroscopy with Parity-Time symmetric integrated circuits
Pawan Kumar, Sina Saravi, Thomas Pertsch +2
We propose a novel quantum nonlinear interferometer design that incorporates a passive PT symmetric coupler sandwiched between two nonlinear sections where signal-idler photon pair…
Group index matched frequency conversion in lithium niobate on insulator waveguides
Pawan Kumar, Mohammadreza Younesi, Sina Saravi +2
Sources of spectrally engineered photonic states are a key resource in several quantum technologies. Of particular importance are the so-called factorizable biphoton states which p…
Fundamental resolution limit of quantum imaging with undetected photons
Andres Vega, Elkin A. Santos, Jorge Fuenzalida +5
Quantum imaging with undetected photons relies on the principle of induced coherence without induced emission and uses two sources of photon-pairs with a signal- and an idler photo…
A fully automated dual-tip scanning near-field optical microscope for localized optical excitation and detection in the visible and near-infrared
Najmeh Abbasirad, Jonas Berzins, Kenneth Kollin +4
Near-field optical microscopes with two independent tips for simultaneous excitation and detection can be essential tools for studying localized optical phenomena on the subwavelen…
Scalable functionalization of optical fibers using atomically thin semiconductors
Gia Quyet Ngo, Antony George, Robin Tristan Klaus Schock +14
Atomically thin transition metal dichalcogenides are highly promising for integrated optoelectronic and photonic systems due to their exciton-driven linear and nonlinear interactio…
Spontaneous photon-pair generation at the nanoscale
Giuseppe Marino, Alexander S. Solntsev, Lei Xu +13
Optical nanoantennas have shown a great capacity for efficient extraction of photons from the near to the far-field, enabling directional emission from nanoscale single-photon sour…
Resonantly enhanced second-harmonic generation using III-V semiconductor all-dielectric metasurfaces
Sheng Liu, Michael B. Sinclair, Sina Saravi +8
Nonlinear optical phenomena in nanostructured materials have been challenging our perceptions of nonlinear optical processes that have been explored since the invention of lasers.…